diff --git a/.gitignore b/.gitignore
index 6dd907d..6bbd624 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 lazy-lock.json
 tmp/
+config.json
+config.json.backup.*
diff --git a/config.example.json b/config.example.json
new file mode 100644
index 0000000..4a65c73
--- /dev/null
+++ b/config.example.json
@@ -0,0 +1,23 @@
+{
+    "paths": {
+        "obsidianVault": "~/Documents/obsidian-vault/",
+        "srcDirectory": "~/.local/src/",
+        "scriptsDirectory": "~/scripts/",
+        "wallpaperScript": "~/scripts/pywal/wallpapermenu.sh"
+    },
+    "editor": {
+        "tabSize": 4,
+        "scrollOffset": 8,
+        "theme": "wave"
+    },
+    "ai": {
+        "model": "claude-sonnet-4-5",
+        "openCodeModel": "anthropic/claude-sonnet-4-5"
+    },
+    "lsp": {
+        "servers": ["ts_ls", "eslint", "jsonls", "html", "cssls", "tailwindcss"]
+    },
+    "treesitter": {
+        "languages": ["lua", "vim", "bash", "javascript", "typescript", "tsx", "json", "yaml", "html", "css"]
+    }
+}
diff --git a/lua/core/config.lua b/lua/core/config.lua
new file mode 100644
index 0000000..cf254fb
--- /dev/null
+++ b/lua/core/config.lua
@@ -0,0 +1,156 @@
+-- Config loader module
+-- Loads user configuration from config.json with defaults and validation
+
+local M = {}
+
+-- Default configuration values
+M.defaults = {
+    paths = {
+        obsidianVault = "~/Documents/obsidian-vault/",
+        srcDirectory = "~/.local/src/",
+        scriptsDirectory = "~/scripts/",
+        wallpaperScript = "~/scripts/pywal/wallpapermenu.sh",
+    },
+    editor = {
+        tabSize = 4,
+        scrollOffset = 8,
+        theme = "wave",
+    },
+    ai = {
+        model = "claude-sonnet-4-5",
+        openCodeModel = "anthropic/claude-sonnet-4-5",
+    },
+    lsp = {
+        servers = { "ts_ls", "eslint", "jsonls", "html", "cssls", "tailwindcss" },
+    },
+    treesitter = {
+        languages = { "lua", "vim", "bash", "javascript", "typescript", "tsx", "json", "yaml", "html", "css" },
+    },
+}
+
+-- Cache for loaded config
+local config_cache = nil
+
+-- Deep merge two tables (b overrides a)
+local function deep_merge(a, b)
+    local result = vim.deepcopy(a)
+    for k, v in pairs(b) do
+        if type(v) == "table" and type(result[k]) == "table" then
+            result[k] = deep_merge(result[k], v)
+        else
+            result[k] = v
+        end
+    end
+    return result
+end
+
+-- Expand ~ to home directory in paths
+local function expand_path(path)
+    if type(path) ~= "string" then
+        return path
+    end
+    return path:gsub("^~", vim.fn.expand("$HOME"))
+end
+
+-- Recursively expand paths in a table
+local function expand_paths(tbl)
+    -- Check if this is an array (sequential numeric keys)
+    if #tbl > 0 then
+        local result = {}
+        for i, v in ipairs(tbl) do
+            result[i] = v
+        end
+        return result
+    end
+
+    local result = {}
+    for k, v in pairs(tbl) do
+        if type(v) == "table" then
+            result[k] = expand_paths(v)
+        elseif type(v) == "string" and type(k) == "string" and (k:lower():match("path") or k:lower():match("vault") or k:lower():match("directory") or k:lower():match("script")) then
+            result[k] = expand_path(v)
+        else
+            result[k] = v
+        end
+    end
+    return result
+end
+
+-- Load configuration from config.json
+function M.load()
+    if config_cache then
+        return config_cache
+    end
+
+    local config_path = vim.fn.stdpath("config") .. "/config.json"
+    local user_config = {}
+
+    -- Check if config file exists
+    if vim.fn.filereadable(config_path) == 1 then
+        local file = io.open(config_path, "r")
+        if file then
+            local content = file:read("*a")
+            file:close()
+
+            -- Try to parse JSON
+            local ok, parsed = pcall(vim.json.decode, content)
+            if ok and type(parsed) == "table" then
+                user_config = parsed
+            else
+                vim.notify("config.json: Parse error, using defaults", vim.log.levels.WARN)
+            end
+        end
+    end
+
+    -- Merge defaults with user config
+    local merged = deep_merge(M.defaults, user_config)
+
+    -- Expand paths
+    config_cache = expand_paths(merged)
+
+    return config_cache
+end
+
+-- Get a config value by dot-notation path (e.g., "paths.obsidianVault")
+function M.get(path)
+    local config = M.load()
+    local keys = vim.split(path, ".", { plain = true })
+    local value = config
+
+    for _, key in ipairs(keys) do
+        if type(value) ~= "table" then
+            return nil
+        end
+        value = value[key]
+    end
+
+    return value
+end
+
+-- Convenience getters for common sections
+function M.paths()
+    return M.load().paths
+end
+
+function M.editor()
+    return M.load().editor
+end
+
+function M.ai()
+    return M.load().ai
+end
+
+function M.lsp()
+    return M.load().lsp
+end
+
+function M.treesitter()
+    return M.load().treesitter
+end
+
+-- Reset cache (useful for testing or config reload)
+function M.reset()
+    config_cache = nil
+end
+
+return M
diff --git a/lua/core/options.lua b/lua/core/options.lua
index 583de74..74b2701 100644
--- a/lua/core/options.lua
+++ b/lua/core/options.lua
@@ -1,4 +1,7 @@
 -- Basic Settings
+local config = require("core.config")
+local editor = config.editor()
+
 vim.opt.number = true
 vim.opt.relativenumber = true
 vim.opt.mouse = 'a'
@@ -6,15 +9,15 @@ vim.opt.ignorecase = true
 vim.opt.smartcase = true
 vim.opt.hlsearch = false
 vim.opt.wrap = false
-vim.opt.tabstop = 4
-vim.opt.shiftwidth = 4
+vim.opt.tabstop = editor.tabSize
+vim.opt.shiftwidth = editor.tabSize
 vim.opt.expandtab = true
 vim.opt.termguicolors = true
 vim.opt.cursorline = true
 vim.opt.signcolumn = 'yes'
 vim.opt.clipboard = "unnamedplus"
-vim.opt.scrolloff = 8
-vim.opt.sidescrolloff = 8
+vim.opt.scrolloff = editor.scrollOffset
+vim.opt.sidescrolloff = editor.scrollOffset
 
 -- Leader key
 vim.g.mapleader = ' '
diff --git a/lua/plugins/ai.lua b/lua/plugins/ai.lua
index a8f68ba..4d63cc6 100644
--- a/lua/plugins/ai.lua
+++ b/lua/plugins/ai.lua
@@ -1,3 +1,6 @@
+local config = require("core.config")
+local ai = config.ai()
+
 return {
     -- AI agent (99)
     {
@@ -52,10 +55,10 @@ return {
                         local result = handle:read("*a")
                         handle:close()
                         if result:match("^[24]%d%d") then
-                            return "anthropic/claude-sonnet-4-5"
+                            return ai.openCodeModel
                         end
                     end
-                    return "claude-sonnet-4-5"
+                    return ai.model
                 end)(),
 
                 logger = {
diff --git a/lua/plugins/colorscheme.lua b/lua/plugins/colorscheme.lua
index 00e15dd..a44386c 100644
--- a/lua/plugins/colorscheme.lua
+++ b/lua/plugins/colorscheme.lua
@@ -1,3 +1,7 @@
+local config = require("core.config")
+local editor = config.editor()
+local paths = config.paths()
+
 return {
     -- Kanagawa colorscheme
     {
@@ -24,9 +28,9 @@ return {
                 overrides = function(colors)
                     return {}
                 end,
-                theme = "wave",
+                theme = editor.theme,
                 background = {
-                    dark = "wave",
+                    dark = editor.theme,
                     light = "lotus"
                 },
             })
@@ -93,7 +97,7 @@ return {
                                 if selection.value == "_wallpaper_picker" then
                                     -- launch wallpaper picker, then reload pywal
                                     vim.fn.jobstart(
-                                        { "bash", "-c", "~/scripts/pywal/wallpapermenu.sh && sleep 1" },
+                                        { "bash", "-c", paths.wallpaperScript .. " && sleep 1" },
                                         {
                                             on_exit = function()
                                                 vim.schedule(function()
diff --git a/lua/plugins/lsp.lua b/lua/plugins/lsp.lua
index df99cdd..5c9ce8e 100644
--- a/lua/plugins/lsp.lua
+++ b/lua/plugins/lsp.lua
@@ -1,3 +1,5 @@
+local config = require("core.config")
+
 return {
     -- Mason (LSP installer)
     {
@@ -12,7 +14,7 @@ return {
         dependencies = { "williamboman/mason.nvim" },
         config = function()
             require("mason-lspconfig").setup({
-                ensure_installed = { "ts_ls", "eslint", "jsonls", "html", "cssls", "tailwindcss" },
+                ensure_installed = config.get("lsp.servers"),
             })
         end,
     },
diff --git a/lua/plugins/notes.lua b/lua/plugins/notes.lua
index 703e49e..3d884db 100644
--- a/lua/plugins/notes.lua
+++ b/lua/plugins/notes.lua
@@ -1,3 +1,5 @@
+local config = require("core.config")
+
 return {
     -- Obsidian integration
     {
@@ -14,7 +16,7 @@ return {
             workspaces = {
                 {
                     name = "vault",
-                    path = "/mnt/work/obsidian-vault/",
+                    path = config.get("paths.obsidianVault"),
                 },
             },
             completion = {
diff --git a/lua/plugins/treesitter.lua b/lua/plugins/treesitter.lua
index 7ac2272..6a9750f 100644
--- a/lua/plugins/treesitter.lua
+++ b/lua/plugins/treesitter.lua
@@ -1,3 +1,5 @@
+local config = require("core.config")
+
 return {
     -- Syntax highlighting
     {
@@ -5,10 +7,7 @@ return {
         build = ":TSUpdate",
         config = function()
             require("nvim-treesitter.configs").setup({
-                ensure_installed = {
-                    "lua", "vim", "bash", "javascript", "typescript", "tsx", "json", "yaml", "html", "css", "prisma",
-                    "graphql"
-                },
+                ensure_installed = config.get("treesitter.languages"),
                 highlight = { enable = true },
                 indent = { enable = true },
             })
diff --git a/lua/plugins/ui.lua b/lua/plugins/ui.lua
index 7d9ca80..f3a138f 100644
--- a/lua/plugins/ui.lua
+++ b/lua/plugins/ui.lua
@@ -1,3 +1,6 @@
+local config = require("core.config")
+local paths = config.paths()
+
 return {
     -- Status line
     {
@@ -31,8 +34,8 @@ return {
                 dashboard.button("e", "  New file", ":ene <BAR> startinsert <CR>"),
                 dashboard.button("f", "󰍉  Find file", ":lua require('fzf-lua').files() <CR>"),
                 dashboard.button("t", "  Browse cwd", ":NvimTreeOpen<CR>"),
-                dashboard.button("r", "  Browse src", ":e ~/.local/src/<CR>"),
-                dashboard.button("s", "󰯂  Browse scripts", ":e ~/scripts/<CR>"),
+                dashboard.button("r", "  Browse src", ":e " .. paths.srcDirectory .. "<CR>"),
+                dashboard.button("s", "󰯂  Browse scripts", ":e " .. paths.scriptsDirectory .. "<CR>"),
                 dashboard.button("c", "  Config", ":e ~/.config/nvim/<CR>"),
                 dashboard.button("m", "  Mappings", ":e ~/.config/nvim/lua/core/keymaps.lua<CR>"),
                 dashboard.button("p", "  Plugins", ":PlugInstall<CR>"),
diff --git a/setup.sh b/setup.sh
index 7221b83..e098e58 100755
--- a/setup.sh
+++ b/setup.sh
@@ -1,43 +1,206 @@
 #!/bin/bash
 set -e  # exit on error
 
+# Colors for output
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Helper function for colored output
+print_green() { echo -e "${GREEN}$1${NC}"; }
+print_yellow() { echo -e "${YELLOW}$1${NC}"; }
+print_blue() { echo -e "${BLUE}$1${NC}"; }
+
+# Helper function for prompts with defaults
+prompt_with_default() {
+    local prompt="$1"
+    local default="$2"
+    local result
+    read -p "$(echo -e "${BLUE}$prompt${NC} [${GREEN}$default${NC}]: ")" result
+    echo "${result:-$default}"
+}
+
 # This script sets up dotfiles and installs opencode:
 # - Backs up and symlinks .tmux.conf from dotfiles/ to ~/
 # - Backs up and symlinks starship.toml from dotfiles/ to ~/.config/
 # - Installs opencode CLI if not already present
+# - Generates config.json with interactive prompts
+
+NVIM_CONFIG_DIR="$HOME/.config/nvim"
+
+# ============================================
+# Section 1: Interactive Config Generation
+# ============================================
+print_green "╔════════════════════════════════════════════╗"
+print_green "║     Neovim Configuration Setup Wizard      ║"
+print_green "╚════════════════════════════════════════════╝"
+echo ""
+
+# Check if config.json already exists
+if [ -f "$NVIM_CONFIG_DIR/config.json" ]; then
+    print_yellow "Existing config.json found."
+    read -p "$(echo -e "${YELLOW}Overwrite? (y/N): ${NC}")" overwrite
+    if [[ ! "$overwrite" =~ ^[Yy]$ ]]; then
+        print_blue "Keeping existing config.json"
+        SKIP_CONFIG=true
+    else
+        # Backup existing config
+        cp "$NVIM_CONFIG_DIR/config.json" "$NVIM_CONFIG_DIR/config.json.backup.$(date +%Y%m%d%H%M%S)"
+        print_green "Backed up existing config.json"
+        SKIP_CONFIG=false
+    fi
+else
+    SKIP_CONFIG=false
+fi
+
+if [ "$SKIP_CONFIG" = false ]; then
+    echo ""
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    print_blue "  Section 1: Paths"
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    echo ""
+
+    OBSIDIAN_VAULT=$(prompt_with_default "Obsidian vault path" "~/Documents/obsidian-vault/")
+    SRC_DIR=$(prompt_with_default "Source code directory" "~/.local/src/")
+    SCRIPTS_DIR=$(prompt_with_default "Scripts directory" "~/scripts/")
+    WALLPAPER_SCRIPT=$(prompt_with_default "Wallpaper script path" "~/scripts/pywal/wallpapermenu.sh")
+
+    echo ""
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    print_blue "  Section 2: Editor Settings"
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    echo ""
+
+    TAB_SIZE=$(prompt_with_default "Tab size" "4")
+    SCROLL_OFFSET=$(prompt_with_default "Scroll offset" "8")
+    echo ""
+    print_yellow "Theme variants: wave (default), dragon (dark), lotus (light)"
+    THEME=$(prompt_with_default "Kanagawa theme variant" "wave")
+
+    echo ""
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    print_blue "  Section 3: Languages"
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    echo ""
+
+    print_yellow "Enter comma-separated lists"
+    echo ""
+    LSP_SERVERS=$(prompt_with_default "LSP servers" "ts_ls, eslint, jsonls, html, cssls, tailwindcss")
+    TS_LANGUAGES=$(prompt_with_default "Treesitter languages" "lua, vim, bash, javascript, typescript, tsx, json, yaml, html, css")
+
+    echo ""
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    print_blue "  Section 4: AI Settings"
+    print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+    echo ""
+
+    print_yellow "Claude models: claude-sonnet-4-5, claude-opus-4, haiku"
+    AI_MODEL=$(prompt_with_default "Claude Code model" "claude-sonnet-4-5")
+    OPENCODE_MODEL=$(prompt_with_default "OpenCode model (with provider prefix)" "anthropic/claude-sonnet-4-5")
+
+    # Convert comma-separated strings to JSON arrays
+    format_json_array() {
+        echo "$1" | sed 's/,/\n/g' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | \
+        awk 'BEGIN{printf "["} NR>1{printf ", "} {printf "\"%s\"", $0} END{printf "]"}'
+    }
+
+    LSP_SERVERS_JSON=$(format_json_array "$LSP_SERVERS")
+    TS_LANGUAGES_JSON=$(format_json_array "$TS_LANGUAGES")
+
+    # Generate config.json
+    cat > "$NVIM_CONFIG_DIR/config.json" << EOF
+{
+    "paths": {
+        "obsidianVault": "$OBSIDIAN_VAULT",
+        "srcDirectory": "$SRC_DIR",
+        "scriptsDirectory": "$SCRIPTS_DIR",
+        "wallpaperScript": "$WALLPAPER_SCRIPT"
+    },
+    "editor": {
+        "tabSize": $TAB_SIZE,
+        "scrollOffset": $SCROLL_OFFSET,
+        "theme": "$THEME"
+    },
+    "ai": {
+        "model": "$AI_MODEL",
+        "openCodeModel": "$OPENCODE_MODEL"
+    },
+    "lsp": {
+        "servers": $LSP_SERVERS_JSON
+    },
+    "treesitter": {
+        "languages": $TS_LANGUAGES_JSON
+    }
+}
+EOF
+
+    echo ""
+    print_green "✓ config.json generated successfully!"
+    echo ""
+fi
+
+# ============================================
+# Section 2: Dotfile Symlinks
+# ============================================
+print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+print_blue "  Setting up dotfile symlinks..."
+print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+echo ""
 
 # Check and backup/symlink .tmux.conf
 TMUX_TARGET="$HOME/.config/nvim/dotfiles/.tmux.conf"
 if [ -L ~/.tmux.conf ] && [ "$(readlink ~/.tmux.conf)" = "$TMUX_TARGET" ]; then
-  echo ".tmux.conf already linked correctly"
+  print_green "✓ .tmux.conf already linked correctly"
 elif [ -f ~/.tmux.conf ] || [ -L ~/.tmux.conf ]; then
   cp ~/.tmux.conf ~/.tmux.conf.backup.$(date +%Y%m%d%H%M%S)
   ln -sf "$TMUX_TARGET" ~/.tmux.conf
-  echo ".tmux.conf backed up and linked"
+  print_green "✓ .tmux.conf backed up and linked"
 elif [ -f "$TMUX_TARGET" ]; then
   ln -sf "$TMUX_TARGET" ~/.tmux.conf
-  echo ".tmux.conf linked"
+  print_green "✓ .tmux.conf linked"
 fi
 
 # Check and backup/symlink starship.toml
 STARSHIP_TARGET="$HOME/.config/nvim/dotfiles/starship.toml"
 if [ -L ~/.config/starship.toml ] && [ "$(readlink ~/.config/starship.toml)" = "$STARSHIP_TARGET" ]; then
-  echo "starship.toml already linked correctly"
+  print_green "✓ starship.toml already linked correctly"
 elif [ -f ~/.config/starship.toml ] || [ -L ~/.config/starship.toml ]; then
   cp ~/.config/starship.toml ~/.config/starship.toml.backup.$(date +%Y%m%d%H%M%S)
   ln -sf "$STARSHIP_TARGET" ~/.config/starship.toml
-  echo "starship.toml backed up and linked"
+  print_green "✓ starship.toml backed up and linked"
 elif [ -f "$STARSHIP_TARGET" ]; then
   mkdir -p ~/.config
   ln -sf "$STARSHIP_TARGET" ~/.config/starship.toml
-  echo "starship.toml linked"
+  print_green "✓ starship.toml linked"
 fi
 
-# Check if opencode is installed, if not, install opencode
+# ============================================
+# Section 3: OpenCode Installation
+# ============================================
+echo ""
+print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+print_blue "  Checking OpenCode installation..."
+print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+echo ""
+
 if ! command -v opencode &> /dev/null; then
+  print_yellow "Installing OpenCode..."
   curl -fsSL https://opencode.ai/install | bash
+  print_green "✓ OpenCode installed"
+else
+  print_green "✓ OpenCode already installed"
 fi
 
+# ============================================
+# Section 4: Shell Aliases
+# ============================================
+echo ""
+print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+print_blue "  Setting up shell aliases..."
+print_blue "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+echo ""
+
 # Detect shell config file
 SHELL_RC=""
 if [ -f ~/.zshrc ]; then
@@ -50,7 +213,7 @@ fi
 if [ -n "$SHELL_RC" ]; then
     # Create a temporary file with all our aliases and functions
     TEMP_ALIASES=$(mktemp)
-    
+
     cat > "$TEMP_ALIASES" << 'EOF'
 
 # Git shortcuts
@@ -162,13 +325,25 @@ EOF
         echo "" >> "$SHELL_RC"
         echo "# Added by nvim dotfiles setup" >> "$SHELL_RC"
         cat "$TEMP_ALIASES" >> "$SHELL_RC"
-        echo "Shell aliases and functions added to $SHELL_RC"
+        print_green "✓ Shell aliases and functions added to $SHELL_RC"
     else
-        echo "Shell aliases already exist in $SHELL_RC, skipping..."
+        print_green "✓ Shell aliases already exist in $SHELL_RC"
     fi
-    
+
     # Clean up
     rm "$TEMP_ALIASES"
 else
-    echo "No .bashrc or .zshrc found, skipping shell config setup"
+    print_yellow "⚠ No .bashrc or .zshrc found, skipping shell config setup"
 fi
+
+# ============================================
+# Done!
+# ============================================
+echo ""
+print_green "╔════════════════════════════════════════════╗"
+print_green "║           Setup Complete!                  ║"
+print_green "╚════════════════════════════════════════════╝"
+echo ""
+print_blue "Run 'nvim' to start using your configuration."
+print_blue "Your config is stored in: $NVIM_CONFIG_DIR/config.json"
+echo ""